Ditch cutter for graders



D. c.v HlNDs ET AL 1,753,150 iDITCII CUTTER FOR GRADERS April l, 1,930.

2 Sheets-Sheet 2 Filed April. 25. 1926 Patented Apr. 1', 1930 UNITED STATES.

PATENT OFFICE DANIEL c. IIINDS, OF SIOUX FALLS, SOUTH DAKOTA, AND ORVILLE a; IIINDS, or OIIIOAGO, ILLINOIS, ASSIGNORS To {I tYAN MANUFACTURING CORPORATION, or OHI- OAGO,ILL1NOIS,A CQnPORATION OF ILLINOIS Y f nITcH CUTTER roRfenADEns Application 'mea April 23,

Our invention relates to ditch bottom Ontters lfor graders and the like, being directed more kparticularly -to a device of the vabove character adapted for use in connection with the fmold board, an objectgbeing to provide an improved device of the above'character adapted to be Operated for cutting, yshaping or cleaning ditch bottoms when attached to l1o the mold board. A y

Anotherfeature of our invention is the provision of such a device which may be so attached to the mold board that the old ditch bottom may be cleaned and which is so ap? plied that it throws the dirt onto the mold board and permits the mold board following` to move the dirt to either side outoflthe ditch. In this last feature we preferably arf range the mold board so that it may be used along the back slope, whereby the mold board simultaneouslyl cleans the rback slope while the ditch bottom is being cleaned.

Another feature of our invention is the provision of such a cutter or cleaner, which may be interchangeably applied to Veither end of the mold board and thus worked.V from either side of thegradenor the mold board reversed so the device may be operated from either side of the grader.

There are other features to our invention, and these will be more particularly pointed Y out in the ensuing rpartfof the specification and the appended claims. f

For a better understanding ofour invent 3b' tion reference is to be had tothe accompanying drawings, in whichp l Fig. l is a plan View of thefpreferred application of our device;

Fig. 2 is a plan view of a section of ditch 4D alongside a road, diagrammatically" showing the device applied to the mold board which is being advancedalong theshoulder of the road; Fig. 3 is a cross sectional view through-the '1" ditch, showing the position of the mold board and ditch bottom cutter;

Fig. 4 illustrates diagrammatically the device being used for cleaning fthe -ditch bottom and throwing the dirt up theback slope -tward the fence; i 1 f e A 1926. serial No. 104,059.

, Fig, 5 is a cross sectional view through the ditch of Fig. 4;;

Fig. 6 is a segregated view of the back-side of one end of `the mold board and the cutter or cleaner detached therefrom;

Fig. 7 is a sectional view through the-device as it is` attached to the mold board, the view being taken through the bolt which holds the parts together; and Y Fig. 8 is a longitudinal or plan ysection through the center of the Inoldboard and at? tacheddevice. c y

Referring now vmore in detail to the pref ferred form of our invention, `it is to be understood that,tlllegdevice itself mayl be vap.-V

plied to any mold board, but we preferably employ it in connection with the type of grader shown inFig. l and which is Iclaimed in the Patent tO Daniel C. Hinds, ANO.

1,7 82,892,granted Oct. 22 1929. Referring first vmore in detail to the device as ,shown inFigsG to 8, it includes a platelike cutting andcleaning member A having a concave face 10 preferably corresponding to the concave face as l1 of the mold board B. The cutter A may have a cutting or shaping peripheral edge of the desired contour and depending uponthe desired shape of the ditch bottom or. the use to which it is put. Ditch bottoms are cut to various shapes, there being different requirements or laws' as to this in different localities. In some places theA ditch bottoms must be rounded and in other places flatt `So itwillbe understoodv that the, peripheral vcutting lor shaping edge of the cutter may,v vary according to conditions'or requirements. Now as to the cutter as illustrated, thisis preferably arranged for A Y `universal application Vso that it may be readiiV ly attached and Vdetached to and from either d ing -faceof the moldboard B. In order-to .at-

side, as shown in Figs. 2 595 cutter to the mold board and taking the strain off the fastening bolt 15, we provide a rear clamping extension 16 which passes along the rear face of the mold board and then `pro.

vide a hole through this rear clamping eXtension 16 and plate 10 of the cutter, so that'the clamping bolt 15 may extend through said elements into the mold board "and all.l securely clamp together as indicated in Fig. 8.

' WVhen the cutteris in use" there is a `considerable vertical strain thereon, and in order to positively hold the attachment without depending upon the clamping effect of thebolt 15. aloneywe preferably provide a recessed or shouldered construction 17 on the back-side of the mold board as indicated' in Fig. 6. Y This recessed or shouldered portion is adapted'to receive the rear clamping plate 16 'by sliding the attachment over the end of the mold board with the rear plate 16 in the recess to prevent displacement thereof. Each end ofthe mold board is preferably provided `with such recessed construction so that the attachment may be centrally applied at either end.

. Thus with the recess 17 centrally disposed in the ends of the mold'board and with the attachment preferably of symmetricaly outline, the same cutting or cleaning results may be secured with the attachment applied to either end of the mold board. f i

- It will thus be seen that the attachment may be readily applied Vor removed at either endof the mold board and` used from either Vedgeat either end of the moldboard. In other words7 it has-universal application.V

Referring now to its use in combination with a grader of the; character indicated Vin Fig. 1, the attachlnent is shownV applied tol one end and adjusted for use in cutting theditch bottom and shaping the shoulder as indicated inFigs. 2 and 3. f Y. Thegrader herein illustratedv is of the tilting main frame type, in which the main frame C is pivotally carried by the front and rear axles and with a rotatable mold board circular frame pivotally suspendedV from the main frame. The circular frame has universal adjustment, being pivotally suspended from the arms 20-21, which preferably rotate through a complete circle Yand thereby give extreme lateral and vertical adjustment of the circle frame23. Additional lateral adjustment of .the circularframe is `secured bythe transversely adjustable block 22, which is connected to the circleframe by the link 23. Thus extremely wide transverse adjustment is secured and'with theY mold board reversibly se? cureditobrackets 2li Weare enabled toisecure `the different positions of the mold board and cutter as indicated in Figs. 2 to 5. Also by vertical adjustment of the draw bar at its front end 26, we areenabled to secure advantageous adjustments in certain uses of the fol- 'lowm'g memberA. Furthermore when used in combination with tilting wheels other advantages in operation appear.

Referring now to the use of thegrader for i ditch andshoulder cutting, as .indicated in Figs.` 2 `and .3, or for Vcleaning the ditcliand shaping the shoulder as indicated in theseI two figures, theattachment is applied to the mold board as indicated in Fig. 1. c

The grader is v'then drawn along with two of the wheels 19 on the road and the other two inrtheditch as illustrated, thereby-cutting or'cleaning according 'to the work to be done and carrying the dirt .up 'onto the road by the angularly disposed mold boar/d.l f

(Inthis connectionthe 'cutter or cleaner is angularly disposed relative tothe mold board, so that the joining outer ends of the two are closely connected wherebythe dirt as it is thrown up by the cutter is carried back to the mold board andfup the/shoulder without clogging. r- Y In the preferred form of vgrader employed as shownin Fig.'1. and the said copending app1icaton,.the mold board may be reversed n relative tothe axis-ofrotation 'of the circle frame 23 in any suitable manner. In the arrangementof Fig. lthis is done by reversing it on'its supporting brackets 24C.

Ifthe graderv is toxbe used for cleaning theY ditch andthe back slope, orv for shaping the ditch and back slope, itis usedas indicated in Figs. 4 and 5 byreversing the mold board relative to the la-Xis ofthe m'old board circle frame as show-n1 in Figs. 3 and li and swinging the moldboard out beyond the tread of the grader andinto -properposition -for the back slope. vI/Yhen thus arrangedthe dirt is thrown out ofthe ditchby the Mend cutter or cleaner and then carried up the back slope toward the fence by the mold board. Then this is usedffor digging, cleaning or shaping the'ditch, the lwheels are jadjusted Yso Y. as to properly balance t-he main frame and also maintain the grader in its course and throw thedirt from. the ditch, 11p the back slope toward the fence. This is an'important operation notheretofore accom.- plished.v .Y It'willthusbeseen that we have .provided an arrangement whereby the ditch maybe cut `or cleanedwith :the mold board positioned .connection is substantially a part of the mold board, being-"practically merged into one? v Y Although lwe haveV shown' av particular and preferred form of our improvement, we conitemplate constructing it and using it in other ways than that shown and described, and therefore do not desire to be limited to such use and construction but aim to cover all that which comes within the spirit and scope of the appended claims.

What we claim as new and desire to secure by United States Letters Patent is 1. A ditch Shaper for graders including a plowing member of suitable marginal shape with upper and lower cutting edges, and means for detachably securing it against the front face of a reversible mold board at an end thereof so as to use either cutting edge.

2. A ditch Shaper for graders including a plowing member of suitable marginal shape, means for detachably securing it against the front face of the mold board at the end thereof, and bracing means for angularly separating the plowing member from the face of the mold board.

3. A ditch Shaper for graders including a plowing member of suitable marginal shape, means for detachably securing it against the front face of the mold board at the end thereof, and means for angularly separating the plowing member from the face of the mold board, said latter means including an angular web between said member and the mold board.

4. In combination with a mold board having a recessed rear face at an end thereof, of a plowing member positioned against the front face of the mold boa-rd at the recessed end and having a rear extension for insertion in the recess to prevent relative vertical movement of the parts.

5. In combination with a mold board having a recessed rear face at an end thereof, of a plowing member positioned against the front face of the mold board at the recessed end and having a rear extension for insertion in the recess to prevent relative vertical movement of the parts, and means for clamping Said front and rear portions of the plowing member to the interposed mold board.

In witness whereof7 we hereunto subscribe our names this 1st day of April, 1926.

DANIEL C. HINDS. ORVILLE Q. HINDS. 

